34 / | HD | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
523 | DF | APPARATUS {40} |
611 | DF | .~ Sheet, web, or strand {3} |
618 | DF | .~.~ For flexible sheet, web, or strand {6} |
658 | DF | .~.~.~ Endless conveyor or movable gripper {1} |
659 | DF | .~.~.~.~ Endless conveyor {4} |
663 | .~.~.~.~.~ Endless conveyor contacts solid perforated guide |